> I do have these two environment variables set:
>
> LD_LIBRARY_PATH=/Users/meredithk/tools/openmpi/lib

On a Mac it should DYLD_LIBRARY_PATH - and there are *.dylib files in your /Users/meredithk/tools/openmpi/lib?

-- Reuti

> PATH=/Users/meredithk/tools/openmpi/bin
>
> Running mpirun seems to work fine with a simple command, like hostname:
>
> $ )mpirun -n 2 hostname
> meredithk-mac.corp.fmglobal.com
> meredithk-mac.corp.fmglobal.com
>
> I am trying to run the simple hello_cxx example from the openmpi distribution, compiled as such:
> mpic++ -g hello_cxx.cc -o hello_cxx
>
> It compiles fine, without warning or error. However, when I go to run the example, it stalls on the MPI::Init() command:
> mpirun -np 1 hello_cxx
> It never errors out or crashes. It simply hangs.
>
> I am using the same mpic++ and mpirun version:
> $ )which mpirun
> /Users/meredithk/tools/openmpi/bin/mpirun
>
> $ )which mpic++
> /Users/meredithk/tools/openmpi/bin/mpic++
>
> Not quite sure what else to check.
>
> Karl
>
>
> On Nov 23, 2013, at 5:29 PM, Ralph Castain <rhc_at_[hidden]> wrote:
>
>> Strange - I run on Mavericks now without problem. Can you run "mpirun -n 1 hostname"?
>>
>> You also might want to check your PATH and LD_LIBRARY_PATH to ensure you have the prefix where you installed OMPI 1.6.5 at the front. Mac distributes a very old version of OMPI with its software and you don't want to pick it up by mistake.
>>
>>
>> On Nov 22, 2013, at 1:45 PM, Meredith, Karl <karl.meredith_at_[hidden]> wrote:
>>
>>> I recently upgraded my 2013 Macbook Pro (Retina display) from 10.8 to 10.9. I downloaded and installed openmpi-1.6.5 and compiled it with gcc 4.8 (gcc installed from macports).
>>> openmpi compiled and installed without error.
>>>
>>> However, when I try to run any of the example test cases, the code gets stuck inside the first MPI::Init() call and never returns.
>>>
>>> Any thoughts on what might be going wrong?
>>>
>>> The same install on OS 10.8 works fine and the example test cases run without error.
>>>
>>> Karl
>>>
>>> _______________________________________________
>>> users mailing list
>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users>
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